DAC7731E/1K by Texas Instruments | DAC | Avnet ASIA
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DAC7731E/1K

Texas Instruments

DAC 1-CH R-2R 16-bit 24-Pin SSOP T/R

Manufacturer Part #: DAC7731E/1K

Alternate Part #: DAC7731E/1K


legend RoHS Compliant

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Information

The DAC7731 is a 16-bit Digital-to-Analog Converter (DAC) which provides 16 bits of monotonic performance over the specified operating temperature range and offers a +10V internal reference. Designed for automatic test equipment and industrial process control applications, the DAC7731’s output swing can be configured in a ±10V, ±5V, or +10V range. The flexibility of the output configuration allows the DAC7731 to provide both unipolar and bipolar operation by pin strapping. The DAC7731 includes a high-speed output amplifier with a maximum settling time of 5uµs to ±0.003% FSR for a 20V full-scale change and only consumes 100mW (typical) of power.

The DAC7731 features a standard 3-wire, SPI-compatible serial interface with double buffering to allow asynchronous updates of the analog output as well as a serial data output line for daisy-chaining multiple DAC7731s. A user programmable reset control forces the DAC output to either min-scale (0000h) or mid-scale (8000h), overriding both the input and DAC register values. The DAC7731 is available in a SSOP-24 package and three performance grades specified to operate from –40°C to +85°C.

Key Features

  • LOW POWER: 150mW MAXIMUM
  • +10V INTERNAL REFERENCE
  • UNIPOLAR OR BIPOLAR OPERATION
  • SETTLING TIME: 5µs to ±0.003% FSR
  • 16-BIT MONOTINICITY, –40°C TO +85°C
  • ±10V, ±5V, OR +10V CONFIGURABLE VOLTAGE OUTPUT
  • RESET TO ZERO OR MID-SCALE
  • DOUBLE-BUFFERED DATA INPUT
  • DAISY-CHAIN FEATURE FOR MULTIPLE DAC7731s ON A SINGLE BUS
  • SMALL SSOP-24 PACKAGE
  • APPLICATIONS
    • PROCESS CONTROL
    • ATE PIN ELECTRONICS
    • CLOSED-LOOP SERVO CONTROL
    • MOTOR CONTROL
    • DATA ACQUISITION SYSTEMS
  • Technical Attributes

    Description
    Value
    Find similar Parts
    Number of DAC Channels
    1
    Integral Nonlinearity Error
    ±6 LSB
    Power Supply Type
    Dual
    Mounting
    Surface Mount
    Lead Finish
    Gold
    Max Processing Temp
    260
    Maximum Settling Time
    5 us
    Output Type
    Voltage
    Product Dimensions
    8.2 x 5.3 x 1.95 mm
    Number of Outputs per Chip
    1
    Resolution
    16 Bit
    Output Polarity
    Unipolar|Bipolar
    Digital Interface Type
    Serial (3-Wire, SPI)
    Digital Supply Support
    Yes
    Supplier Package
    SSOP
    Architecture
    R-2R
    Typical Dual Supply Voltage
    ±15 V
    MSL Level
    3
    Pin Count
    24
    Voltage Reference
    Internal|External
    Minimum Dual Supply Voltage
    -4.75/11.4 V
    Maximum Dual Supply Voltage
    ±15.75 V
    Conversion Rate
    172 ksps
    Full Scale Error
    0.4 % of FSR

    ECCN / UNSPSC

    Description
    Value
    ECCN:
    EAR99
    SCHEDULE B:
    8542390000"
    UNSPSC:
    32101600
    UNSPSC VERSION:
    V15.1101

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